Sanitary napkin



FIG. 1 is a front perspective view of a sanitary napkin in accordance with the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is an end view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for sanitary napkin, as shown and described. 